| 1. | Control of beam halo - chaos by delayed self - controlling feedback
混沌的延迟反馈控制 |
| 2. | Controlling spatiotemporal chaos in coupled map lattice by delay feedback
延迟反馈控制耦合映象格子中的时空混沌 |
| 3. | We found that the maximal lyapunov exponent of the system transfer from positive to negative under the control , which means that the controlled system is stable and the chaos is controlled effectively
结果表明，系统在延迟反馈控制下最大李雅普诺夫指数由正值转为负值，说明受控系统是稳定的，混浊得到了有效地抑制。 |
| 4. | In the part giving a summary of controlling chaos , ogy control and delayed self - controlling feedback and adaptive control etc . are selected as typical examples to give a further description
在综述混沌控制部分，选取了ogy方法、外力反馈法、延迟反馈法、正比于系统变量的脉冲反馈法、自适应控制方法等一些有代表性的控制方法进行了阐述。 |
| 5. | The paper researches on the control of chaos or hyperchaos via the method of the tune - delayed feedback control ( dfc ) , the proportional periodic pulse perturbation to the system variables ( pp - sv ) and limiting amplitude
本文主要对时间延迟反馈法( dfc ) 、正比于系统变量的周期脉冲扰动法( pp - sv )及限幅法这三种控制混沌和超混沌系统的方法展开了研究工作。 |
| 6. | We give a brief theoretic analysis of using delayed self - controlling feedback to control beam halo . s ( the length of one period of focusing channel ) is selected as the delay parameter of the controller and the maximal lyapunov exponent is calculated
经分析，确定了延迟反馈控制器的延迟参数为s (一个聚焦磁场通道周期) ；而后，计算了系统的最大李雅普诺夫指数。 |
| 7. | Chaos in permanent magnet synchronous motor ( pmsm ) is studied . to overcome the drawback of some existing methods , time delay feedback method is proposed to control chaos in pmsm . this method is simple , feasible and effective
研究了永磁同步电动机中的混沌现象，针对原有混沌控制方法的不足，提出延迟反馈方法控制永磁同步电动机中的混沌现象，该方法简单、易行、有效，仿真结果表明了理论分析的正确性。 |
| 8. | Some simple and useful methods are introduced in this paper . periodical exciting force and delayed self - controlling feedback method are used to control the above systems , and series periodic motions are achieved . the calculator simulations show that the chaos of the above system can be controlled effectively by adjusting proper controlling signals
介绍了几种简单而实用的控制混沌系统的方法，分别用参数扰动控制法、周期激振力法和延迟反馈控制法对两类系统进行了控制研究，得出一系列周期运动结果，计算机模拟表明，在适当的控制信号作用下，系统中的混沌运动得到了有效的控制。 |
| 9. | On the basis of this , we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ) . we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ) . the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller . the halo intensity of k - v distribution , water - bag distribution and parabolic distribution and be reduced to zero . in the case of 3 - sigma distribution and full gauss distribution , the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator
在此基础上，选择a为控制变量，构造延迟反馈控制器g ： g （ s glrrms （ s ）一rms （ s ） （ 2 ）同（ l ）式一致，将此控制器函数加在粒子径向所受束自生场力方程的右边。利用多粒子数值模拟程序（ pic ）进行了控制试验。模拟结果表明，用同一个控制器和同一个控制参数即可实现五种不同初始分布情况下的束运一混饨的有效控制。 |
| 10. | In this paper , we give a summary of controlling chaos and a review of the mechanism of beam halo and its nonlinear control . then delayed self - controlling feedback method is presented to control beam halo - chaos . this method , not only can control beam halo - chaos well , but also is easy to work out because of the linearity and the simpleness of its controller . considering the advantage in technology realizing and cost saving , this method is recommended to the development of high intensity accelerator
本文在综述混沌控制和回顾束晕?混沌形成机制及其非线性控制的基础上，提出了应用延迟反馈控制束晕?混沌的方法。该法不仅控制效果显著，而且由于采用线性控制律，控制器形式简单，施加的反馈较小，因此该法非常有利于工程技术实现和降低控制代价，可为实用强流加速器的研制提供有价值的参考。 |
